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Home >> Jeep >> 2004 >> Wrangler X, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Diagnostic Procedures >> Diagnostic Information And Procedures >> Instrument Cluster >> Symptom: *PANEL DIMMNG INOPERATIVE >> Diagnostic Procedure

Diagnostic Procedure

PANEL DIMMNG INOPERATIVE - DIAGNOSTIC PROCEDURE

TEST ACTION APPLICABILITY
1
NOTE: Ensure that the Park/Headlamps operate properly before continuing with this test.
NOTE: Ensure that other Instrument Cluster functions operate properly before continuing with this test.
Turn the ignition on.With the DRBIII®, select Body, Electro/Mech Cluster, read DTCs.Does the DRBIII® display PANEL DIMMER OPEN?
  1. Yes : Refer to Symptom: PANEL DIMMER OPEN .

    Perform BODY VERIFICATION TEST .

  2. No : Go To 2
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2 Turn the ignition off.
Disconnect the Instrument Cluster C1 harness connector.
Check connectors - Clean/repair as necessary.
Turn the Park lamps on.
Measure the voltage between the Park Lamp Feed circuit and ground.
Is the voltage above 10.5 volts?
  1. Yes : Go To 3
  2. No : Repair the Park Lamp Feed circuit for an open.

    Perform BODY VERIFICATION TEST .

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3 Turn the ignition off.
Disconnect the Instrument Cluster C1 harness connector.
Check connectors - Clean/repair as necessary.
Remove and inspect the inoperative illumination bulb(s).
Is the illumination bulb filament open?
  1. Yes : Replace the Instrument Cluster Illumination Bulb(s) in accordance with the Service Information.

    Perform BODY VERIFICATION TEST .

  2. No : Replace the Instrument Cluster in accordance with the Service Information.

    Perform BODY VERIFICATION TEST .

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